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Table 2 Mean log reduction factor of E. coli after volunteers washing with Moringa oleifera product or reference product (non-medicated liquid soap)

From: Efficacy of Moringa oleifera leaf powder as a hand- washing product: a crossover controlled study among healthy volunteers

Product Mean log reduction factor of Moringa product (SD) Mean log reduction factor of reference soap (SD) Difference   p
Moringa 2 g     
  Dry 2.44 (0.41) 3.00 (0.27) 0.56 p=0.00001
  Wet 2.70 (0.31) 3.00 (0.27) 0.30 p=0.003
Moringa 3 g     
  Dry 2.58 (0.34) 2.99 (0.26) 0.41 p=0.0001
  Wet 2.84 (0.32) 2.99 (0.26) 0.15 p=0.03
Moringa 4 g     
  Dry 2.70 (0.27) 2.97 (0.28) 0.27* p=0.06
  Wet 2.91 (0.11) 2.97 (0.28) 0.07 p=0.16
  1. P values were derived using Wilcoxon’s matched pairs signed-rank tests.
  2. *significantly difference between dry and wet preparations (p=0.01).